STANDARD OPERATION WITH RECEIVER

 

EVAPORATOR

LOW SIDE ACCESS VALVE

 

 

 

 

 

TXV BULB

 

SMV

 

 

TXV

 

 

 

 

CONDENSER

 

 

 

 

 

 

USV

 

 

LIV

 

 

 

 

 

 

 

STS

FILTER

ECONOMIZER TXV BULB

 

 

 

 

 

 

 

DRIER

 

 

 

DISCHARGE

 

ECONOMIZER

 

 

 

 

DPT

SERVICE

 

 

 

 

 

 

CONNECTION

 

 

 

 

 

ESV

 

CPDS

HPS

 

 

 

 

OIL SEPARATOR

 

ECONOMIZER

 

 

 

 

SERVICE

ECONOMIZER

RECEIVER

 

 

CONNECTION

 

ORV

 

TXV

 

 

 

 

 

 

 

 

FUSIBLE PLUG

 

 

SUCTION SERVICE

 

SIGHT GLASS

 

 

CONNECTION

 

MOISTURE INDICATOR

 

OIL RETURN

SPT

 

 

 

SERVICE VALVE

LIQUID LINE

 

 

 

 

 

 

 

SERVICE

 

 

 

 

CONNECTION

 

 

COMPRESSOR

 

 

 

 

 

 

DISCHARGE

LIQUID

SUCTION

 

STANDARD OPERATION WITH WATER COOLED CONDENSER

 

EVAPORATOR

 

LOW SIDE ACCESS VALVE

 

 

 

 

 

 

 

 

 

TXV BULB

SMV

 

 

 

 

TXV

 

 

 

 

CONDENSER

 

 

 

 

 

 

 

USV

 

 

 

 

LIV

 

 

 

 

 

 

 

QUENCH

CPSS

 

 

 

 

TXV

 

 

 

 

 

BULB

 

FILTER

ECONOMIZER TXV BULB

 

 

 

 

 

 

 

 

DRIER

 

 

 

DISCHARGE

 

 

ECONOMIZER

 

 

 

 

 

 

SERVICE

 

 

 

 

DPT

 

 

 

 

CONNECTION

 

 

 

 

 

 

 

ESV

RUPTURE DISC

CPDS

HPS

 

 

 

 

 

 

 

 

ECONOMIZER

 

 

 

 

 

SERVICE

 

 

ECONOMIZER

 

 

CONNECTION

 

 

 

ORV

 

 

 

TXV

 

 

 

 

 

 

 

 

 

SIGHTGLASS/

 

 

SUCTION SERVICE

 

 

MOISTURE INDICATOR

 

 

 

 

 

 

 

CONNECTION

 

 

 

 

OIL RETURN

SPT

 

 

 

WATER COOLED

SERVICE VALVE

 

 

LIQUID LINE

 

 

 

 

 

 

 

SERVICE

CONDENSER

 

 

 

 

CONNECTION

 

COMPRESSOR

 

 

 

 

 

 

 

Figure 2-6 Refrigeration Circuit Schematic -- Standard Operation

T-309

2-10

Page 24
Image 24
Carrier 69NT20-531-300 manual Standard Operation with Receiver

69NT20-531-300 specifications

The Carrier 69NT20-531-300 is a cutting-edge rooftop unit designed to meet the demanding requirements of commercial heating and cooling applications. This model embodies Carrier’s commitment to energy efficiency, reliability, and advanced technological features that enhance indoor comfort while minimizing operational costs.

One of the standout features of the Carrier 69NT20-531-300 is its high energy efficiency. It is equipped with advanced compressor technology that optimizes performance while reducing energy consumption. This ensures that businesses can maintain a comfortable indoor climate without incurring exorbitant utility bills. With a high Seasonal Energy Efficiency Ratio (SEER) and Energy Efficiency Ratio (EER), users can expect not only enhanced comfort but also significant cost savings over time.

The cooling capabilities of the 69NT20-531-300 are complemented by its robust heating options. This unit utilizes a gas heat exchanger, ensuring quick and even heating throughout the space. The combination of cooling and heating capabilities in one compact unit makes it a versatile choice for various applications, including retail spaces, offices, and warehouses.

In addition to its impressive performance specifications, the Carrier 69NT20-531-300 incorporates innovative technologies that further enhance its functionality. The unit comes with advanced controls, allowing for precise temperature regulation and zoning capabilities. This ensures that different areas of a building can maintain their desired temperatures based on usage, improving overall energy efficiency.

Durability is another hallmark of the Carrier 69NT20-531-300. The unit is constructed with high-quality materials and features a weather-proof cabinet that protects it from the elements, ensuring long-term reliability even in harsh conditions. Furthermore, its modular design simplifies maintenance, making it easy for technicians to access critical components.

The 69NT20-531-300 is also designed with low noise operation in mind. It employs sound-dampening technology to ensure that operations are quiet, making it an ideal choice for locations where noise reduction is a priority, such as schools or healthcare facilities.

Overall, the Carrier 69NT20-531-300 stands out as a premier choice for businesses looking for an efficient, reliable, and feature-rich rooftop HVAC unit. Its blend of energy efficiency, advanced technology, and durability positions it as a leader in commercial heating and cooling solutions, making it a valuable investment for any commercial property.